Table 2.
Cox proportional hazards model variables for mortality by 60 days
| Variable | Statistic | Std. error | Estimate | 95 % CI | P value |
|---|---|---|---|---|---|
| Age (years) | 8.94 | 0 | 1.03 | 1.02–1.04 | <0.001 |
| Gender (male) | 2.52 | 0.11 | 1.32 | 1.06–1.64 | 0.012 |
| Inclusion date | −2.1 | 0.02 | 0.97 | 0.93–0.99 | 0.02 |
| Daily protein/kg | −2.37 | 0 | 0.99 | 0.98–0.99 | 0.0178 |
| Delivered calories/REE up to 70 % | −2.93 | 0.01 | 0.98 | 0.97–0.99 | 0.006 |
| Delivered calories/REE >70 % | 3.16 | 0 | 1.01 | 1.01–1.02 | |
| Surgical patient | −3.84 | 0.11 | 0.65 | 0.52–0.81 | <0.001 |
| Need for vasopressors | 4.16 | 0.17 | 2.06 | 1.47–2.9 | <0.001 |
| SOFA score | 5.37 | 0.02 | 1.1 | 1.06–1.13 | <0.001 |
| Diarrhea | −5.42 | 0.1 | 0.57 | 0.47–0.7 | <0.001 |
| Bilirubin total | 3.21 | 0.02 | 1.05 | 1.02–1.09 | 0.001 |
| Creatinine | 3.36 | 0.03 | 1.12 | 1.05–1.2 | <0.001 |
| Parenteral nutrition | 4.56 | 0.11 | 1.61 | 1.31–1.98 | <0.001 |
REE resting energy expenditure